diff --git a/source/level/layercollision.h b/source/level/layercollision.h
index fdde7c898..fc0f05948 100644
--- a/source/level/layercollision.h
+++ b/source/level/layercollision.h
@@ -27,7 +27,7 @@ virtual	~CLayerCollision();
 
 virtual	void			shutdown();
 
-		u16				GetYPos(int Y)						{return(ColYTable[Y+COL_Y_OFS]);}
+		u32				GetYPos(int Y)						{return(ColYTable[Y+COL_Y_OFS]);}
 
 		int				getHeightFromGround(int _x,int _y,int _maxHeight=32);
 		int				getHeightFromGroundExcluding(int _x,int _y,int _exclusion,int _maxHeight=32);